21551408 (number)

21551408 is an even 8-digits composite number following 21551407 and preceding 21551409. In scientific notation, it is written as 2.1551408 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors. There are 10403904 positive integers (up to 21551408) that are relatively prime to 21551408.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand four hundred eight

Notation

Scientific notation 2.1551408 × 10^7
Engineering notation 2.1551408 × 10^6

Prime Factorization of 21551408

Prime Factorization 2 × 2 × 2 × 2 × 29 × 46447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2693926
Product of the distinct prime numbers

The prime factorization of 21551408 is 2 × 2 × 2 × 2 × 29 × 46447. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 45, 5, 93, 427, 3775, 9297, 45391, 63229, 455959, 950566, 8091374, 5928933, 57717775, 6638192, 102655144, 270380054, 8750765266, 6410889410

Basic calculations (n = 21551408)

Multiplication

n×y
n×2 43102816
n×3 64654224
n×4 86205632
n×5 107757040

Division

n÷y
n÷2 10775704
n÷3 7183802.6666667
n÷3 5387852
n÷5 4310281.6

Exponentiation

ny
n2 464463186782464
n3 1.0009835639329E+22
n4 2.1572605187612E+29
n5 4.6492001602115E+36

Nth Root

y√n
2√n 4642.3494052042
3√n 278.28633610333
4√n 68.134788509279
5√n 29.288365104826

Divisors of 21551408

1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46447, 92894, 185788, 371576, 743152, 1346963, 2693926, 5387852, 10775704, 21551408

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551408 can be divided by 20 positive divisors. The sum of these divisors (counting 21551408) is 1, the average is 0.05.

Base conversion 21551408

Base System Value
2 Binary 1010010001101100100110000
3 Ternary 1111112220222022
4 Quaternary 1102031210300
5 Quinary 21004121113
6 Senary 2045531012
8 Octal 122154460
10 Decimal 21551408
12 Duodecimal 7273a68
16 Hexadecimal 148d930
20 Vigesimal 6edia8
36 Base36 ctx68

Cryptographic Hash Functions

md5 a5783335c29249626ff55ac52f988319
sha1 875294526416175d7903a5aa00b1804b8d1601d2
sha256 e43915566b7b8dd56645bb5e36926e52c3c91caaba36109c1656f25f205922b2
sha512 48b79163144aa4d38e1445572220750e9d6e80e3eff6f1da0e9ebc59017d3acfb6ec0713461e9875acc591f5832b049135c876153c98fb5dcdf05491c0843a57
ripemd-160 ab7df0ab5a236240f3a140bfd33499c24c3ac4b4

21551408 as geometric shapes

Circle

Radius = n
Diameter 43102816
Circumference 135411490.09463
Area 1.4591541354587E+15

Sphere

Radius = n
Volume 4.1929101477543E+22
Surface area 5.8366165418348E+15
Circumference 135411490.09463

Square

Length = n
Perimeter 86205632
Area 464463186782464
Diagonal 30478293.481836

Cube

Length = n
Surface area 2786779120694784
Volume 1.0009835639329E+22
Space diagonal 37328133.630646

Equilateral Triangle

Length = n
Perimeter 64654224
Area 2.0111845943815E+14
Altitude 18664066.815323

Triangular Pyramid

Length = n
Surface area 2.0111845943815E+14
Volume 1.1796704431887E+21
Height 10159431.160612